CN101037603A - High-effective dust-removing coke quenching tower - Google Patents
High-effective dust-removing coke quenching tower Download PDFInfo
- Publication number
- CN101037603A CN101037603A CNA2007100110707A CN200710011070A CN101037603A CN 101037603 A CN101037603 A CN 101037603A CN A2007100110707 A CNA2007100110707 A CN A2007100110707A CN 200710011070 A CN200710011070 A CN 200710011070A CN 101037603 A CN101037603 A CN 101037603A
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- dust removal
- dust
- quenching
- block
- coke
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- 238000010791 quenching Methods 0.000 title claims abstract description 66
- 230000000171 quenching effect Effects 0.000 title claims abstract description 65
- 239000000571 coke Substances 0.000 title claims abstract description 49
- 239000000428 dust Substances 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000005406 washing Methods 0.000 claims abstract description 15
- 238000009432 framing Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000004939 coking Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The invention relates to a highly effective dust removal coke quenching machine, which includes a coke quenching injection pipe, a washing and cooling device, and a dust removal device. The dust removal device, which is disposed single-stage or two-stage, includes a structural framework, a dust removal plate, a dust removal pipe and nozzles, wherein the dust removal plate, which is constituted of a heterotypic baffle sheet folded with a certain angle and a dust removal plate support, is disposed on the structural framework and forms angle of 45-60 DEG with horizontal plane; the dust removal pipe is equably equipped with a plurality of nozzles and is arranged parallel with the dust removal plate. Dust content of stream generated at coke quenching process is greatly reduced by water fog washing, cooling, gravitational settling and purifying of baffle plate type dust removal device, amount of coking powder discharged into air of per ton coke is lower than 50g. Moreover, the baffle plate employs industrial plastic, thereby possessing advantages of corrosion resistance, high strength, aging resistance, good dust removal effect, convenient installation and maintance, and easy cleaning.
Description
Technical field
The present invention relates to the specific equipment that a kind of water extinguishes red-hot coke, particularly a kind of high-effective dust-removing coke quenching tower.
Background technology
In Coking and Gas Factory, the outlet temperature of coal destructive distillation coke in coke furnace carbonization chamber is 950～1050 ℃, so red-hot coke of releasing in the coking chamber, for avoiding burning and being suitable for transportation and storing, prolong the handling equipment life-span, reduce coke-oven plant's maintenance cost, it must be extinguished, its temperature is dropped to below 200 ℃.At present, the quenching mode that generally adopts of domestic Coking and Gas Factory is a wet quenching technology.Wet quenching is that the red-hot coke that will release in coking chamber imports in the quenching car by coke guide, via the locomotive haulage quenching of spraying water to the coke quenching tower.
The characteristics that coking is produced are that energy consumption height, blowdown flow rate are big.Since the reform and opening-up,, also developed rapidly as the coke production of its main raw material along with the fast development of Iron And Steel Industry, the whole nation in 2006 amounts to and produces 29,768 ten thousand tons in coke, increase production 4,356 ten thousand tons on year-on-year basis, rate of increase 17.14%, coke output occupies the first in the world for years.The consequent is that the blowdown flow rate that coking is produced also increases sharply, and environmental problem is more and more outstanding.Along with the appearance in succession of country, local every environmental regulation, more and more stricter to the requirement of the pollution exhaust criteria of coking manufacturing enterprise.In the quenching process of coke making process, coke quenching water contacts the back generation with red-hot coke entrainment with steam has a large amount of coke powders.Generally, coke per ton can produce the coke powder of about 1000g and be taken away by coke quenching steam in the quenching process, the conventional wet coke quenching tower is owing to only adopted individual layer baffle plate type cleaning apparatus aspect dust suppression, coke per ton has the coke powder of 120～150g to be taken away by coke quenching steam to enter atmosphere, surrounding environment is produced have a strong impact on.
Summary of the invention
The present invention has overcome the problem of above-mentioned existence, and purpose provides a kind of high-effective dust-removing coke quenching tower that can reduce the coke powder quantity discharged greatly.
High-effective dust-removing coke quenching tower content Description of the present invention: high-effective dust-removing coke quenching tower, form by the quenching section that is positioned at the bottom and the dedusting section two portions that are positioned at the top, in the quenching section, be provided with the quenching spray tube, above the quenching spray tube, the inlet of dedusting section is provided with one group of washing heat sink, above the washing heat sink, be provided with cleaning apparatus, the arranged direction of cleaning apparatus both can with the quenching car parallel track, also can be perpendicular, cleaning apparatus is by structural framing, dedusting plate, dust removing tube and nozzle are formed, dedusting plate is arranged on the structural framing, by placing with the angle of 45～60 ° at horizontal plane; Dust removing tube is provided with a plurality of nozzles of even layout, and dust removing tube and dedusting plate are arranged in parallel.
Dedusting plate is made up of a plurality of heterogenic baffling sheets, double-screw bolt, block, block grip nut, heterogenic baffling sheet middle part is provided with the hole, double-screw bolt passes through from heterogenic baffling sheet mider hole, separate with block between each heterogenic baffling sheet and fixing, the heterogenic baffling sheet outside at dedusting plate two ends is provided with block and clamps by the block grip nut.
Dedusting plate is a plurality of, and each dedusting plate is connected with structural framing by double-screw bolt.
Cleaning apparatus is that single-stage arranges or two stage arrangement that during two stage arrangement, the primary dust removing device is parallel with the two-stage dust removal device or arranged in a crossed manner at an angle of 90.
The present invention compares with the conventional wet coke quenching tower, and the water vapor that the quenching process produces carries quenching loss thing such as a large amount of dust secretly obtains cooling when the water smoke layer that forms through the washing heat sink, and the dust granules part in the steam is washed.Be obstructed the time through the vapor stream after the cooling washing through the abnormally-structured baffling sheet of dedusting plate, air flow line changes, flow velocity reduces, from steam, separate behind a part of dust granules bump dedusting plate in the steam, part dust granules settles down because of gas velocity reduces, thereby reaches the dedusting purpose.The heterogenic baffling sheet of dedusting plate is convenient to clean, and has overcome the not shortcoming of easy cleaning of traditional coke quenching tower cleaning apparatus, has more effectively guaranteed the dust removing effects of cleaning apparatus.Like this, the steam that contains a large amount of pollutents that the quenching process produces is after capturing purification through water smoke washing, cooling, gravity settling and baffle plate type cleaning apparatus, its dustiness reduces greatly, and the coke powder amount that Jiao per ton is discharged in the atmosphere can be controlled in below the 50g.In addition, the baffling sheet adopts materials such as industrial plastic in the present invention, have corrosion-resistant, intensity is high, anti-aging, good dedusting effect, be convenient to advantages such as installation, maintenance and easy cleaning.
Description of drawings
Fig. 1 is the high-effective dust-removing coke quenching tower structural representation of single-stage cleaning apparatus;
Fig. 2 is the high-effective dust-removing coke quenching tower structural representation that the two-stage cleaning apparatus is arranged in parallel;
Fig. 3 is the two-stage cleaning apparatus high-effective dust-removing coke quenching tower structural representation of arranged crosswise at an angle of 90;
Fig. 4 is the cleaning apparatus structural representation;
Fig. 5 is the structural representation of dedusting plate.
Fig. 6 is the amplification assumption diagram on dedusting plate top.
Fig. 7 is the amplification assumption diagram of dedusting plate bottom.
Among the figure: 1. quenching section 2. dedusting sections 3. structural framings 4. dedusting plates 5. dust removing tubes 6. nozzles 7. quenching spray tubes 8. washing heat sinks 9. quenching cars 10. cleaning apparatuss 11. heterogenic baffling sheets 12. double-screw bolts 13. blocks 14. blocks 15. blocks 16. block grip nuts
Embodiment
High-effective dust-removing coke quenching tower of the present invention is to realize like this, do below in conjunction with accompanying drawing and to specify, see Fig. 1, high-effective dust-removing coke quenching tower, form by the quenching section 1 that is positioned at the bottom and dedusting section 2 two portions that are positioned at the top, in quenching section 1, be provided with quenching spray tube 7, above quenching spray tube 7, the inlet of dedusting section 2 is provided with one group of washing heat sink 8, above washing heat sink 8, be provided with cleaning apparatus 10, the arranged direction of cleaning apparatus 10 both can with quenching car 9 parallel tracks, also can be perpendicular.See Fig. 4, Fig. 5, Fig. 6, Fig. 7, cleaning apparatus 10 is made up of structural framing 3, dedusting plate 4, dust removing tube 5 and nozzle 6, dedusting plate 4 is arranged on the structural framing 3, dedusting plate 4 is a plurality of, each dedusting plate 4 two ends is connected with structural framing 3 by double-screw bolt 12, by placing with the angle of 45～60 ° at horizontal plane.Dedusting plate 4 is made up of a plurality of heterogenic baffling sheets 11, double-screw bolt 12, block 13, block 14, block 15, block grip nut 16, heterogenic baffling sheet 11 middle parts are provided with the hole, double-screw bolt 12 passes through from heterogenic baffling sheet 11 mider holes, separate with block 14 between the heterogenic baffling sheet 11 and fixing, heterogenic baffling sheet 11 outsides at dedusting plate 4 two ends are provided with block 13 and block 15 and clamp by block grip nut 16.
After quenching car 9 enters the cleaning coke quenching tower, quench system is started working, wash simultaneously that heat sink 8 also starts work and in coke quenching tower, form one deck water smoke layer, the a large amount of water vapors that produce during quenching are carried quenching loss thing sharply risings under the effect of heat buoyancy such as a large amount of dust secretly, when the water smoke layer that forms through washing heat sink 8, obtain cooling, dust granules part in the steam is washed, and rest part formation is that the condensing droplet of kernel continues to rise with steam with the dust granules.Drop in the coke quenching tower after part steam obtains cooling off and get back in the coke breeze settling tank, saved the part coke quenching water as the quenching makeup water stream.Washing heat sink 8 and the opening and closing simultaneously of quenching process.Steam through water smoke washing continues to rise in coke quenching tower, when heterogenic baffling sheet 11 slits of the dedusting plate 4 that passes through cleaning apparatus 10, is that the condensing droplet of kernel is absorbed by static and is deposited on the heterogenic baffling sheet 11 by mechanical collision with the dust granules; Rest part steam is obstructed during by cleaning apparatus 10, and air flow line changes, and gas flow rate reduces, and the part dust-laden condensing droplet in the steam is under the effect of gravity and fall, and the gas that has been cleaned enters atmosphere from the coke quenching tower outlet.After calculate, adopting the present invention, the coke powder amount that 1 ton of coke distributes can be reduced to below the 50g by 120～150g of traditional coke quenching tower.
Claims (4)
1. high-effective dust-removing coke quenching tower, form by the quenching section (1) that is positioned at the bottom and dedusting section (2) two portions of being positioned at the top, in quenching section (1), be provided with quenching spray tube (7), in quenching spray tube (7) top, the inlet of dedusting section (2) is provided with one group of washing heat sink (8), top at washing heat sink (8) is provided with cleaning apparatus (10), the arranged direction of cleaning apparatus (10) and quenching car (9) parallel track or perpendicular, it is characterized in that: cleaning apparatus (10) is by structural framing (3), dedusting plate (4), dust removing tube (5) and nozzle (6) are formed, dedusting plate (4) is arranged on the structural framing (3), by placing with the angle of 45～60 ° at horizontal plane; Dust removing tube (5) is provided with a plurality of nozzles (6) of even layout, and dust removing tube (5) is arranged in parallel with dedusting plate (4).
2. high-effective dust-removing coke quenching tower according to claim 1, it is characterized in that: dedusting plate (4) is made up of a plurality of heterogenic baffling sheets (11), double-screw bolt (12), block (13), block (14), block (15), block grip nut (16), heterogenic baffling sheet (11) middle part is provided with the hole, double-screw bolt (12) passes through from heterogenic baffling sheet (11) mider hole, separate with block (14) between each heterogenic baffling sheet (11) and fixing, heterogenic baffling sheet (11) outside at dedusting plate (4) two ends is provided with block (13) and block (15) and by block grip nut (16) clamping.
3. high-effective dust-removing coke quenching tower according to claim 1 is characterized in that: dedusting plate (4) is for a plurality of, and each dedusting plate (4) two ends are connected with structural framing (3) by double-screw bolt (12).
4. high-effective dust-removing coke quenching tower according to claim 1 is characterized in that: described cleaning apparatus (10) arranges or two stage arrangement that for single-stage during two stage arrangement, the primary dust removing device is parallel with the two-stage dust removal device or arranged in a crossed manner at an angle of 90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100110707A CN101037603B (en) | 2007-04-20 | 2007-04-20 | High-efficient dust removal quenching tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100110707A CN101037603B (en) | 2007-04-20 | 2007-04-20 | High-efficient dust removal quenching tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101037603A true CN101037603A (en) | 2007-09-19 |
| CN101037603B CN101037603B (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100110707A Active CN101037603B (en) | 2007-04-20 | 2007-04-20 | High-efficient dust removal quenching tower |
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| Country | Link |
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| CN (1) | CN101037603B (en) |
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